Mabry, Jonathan B.; Thiel, J. Homer (1995). "A thousand years of irrigation in Tucson"(PDF). Archaeology in Tucson. No. Fall 1995. Center of Desert Archaeology. Archived from the original(PDF) on April 12, 2019. Retrieved October 3, 2017.
"Barrio historico Tucson". The University of Arizona Library's Southwest Electronic Text Center. Archived from the original on July 3, 2010. Retrieved March 12, 2010.
wc.arizona.edu
Tafoya, Nathan (September 29, 2003). "Freshmen get blue on A-Day". Arizona Daily Wildcat. Retrieved May 9, 2023.
Harris, RB; Griffith, K; Moon, TE (2001). "Trends in the incidence of nonmelanoma skin cancers in southeastern Arizona, 1985-1996". J Am Acad Dermatol. 45 (4): 528–36. doi:10.1067/mjd.2001.114742. PMID11568742.
Rogers, Frank B. (1969). "The rise and decline of the altitude therapy of tuberculosis". Bulletin of the History of Medicine. 43 (1): 1–16. JSTOR44447350. PMID4887472.
Rogers, Frank B. (1969). "The rise and decline of the altitude therapy of tuberculosis". Bulletin of the History of Medicine. 43 (1): 1–16. JSTOR44447350. PMID4887472.
Harris, RB; Griffith, K; Moon, TE (2001). "Trends in the incidence of nonmelanoma skin cancers in southeastern Arizona, 1985-1996". J Am Acad Dermatol. 45 (4): 528–36. doi:10.1067/mjd.2001.114742. PMID11568742.
Official records for Tucson kept September 1894 to January 1930 at the Weather Forecast Office, February 1930 to 14 October 1948 at the Weather bureau Office, and at Tucson Int'l since 15 October 1948. For more information, see ThreadEx
"The Hohokam". Arizona Museum of Natural History. Archived from the original on October 3, 2017. Retrieved October 3, 2017.
Mabry, Jonathan B.; Thiel, J. Homer (1995). "A thousand years of irrigation in Tucson"(PDF). Archaeology in Tucson. No. Fall 1995. Center of Desert Archaeology. Archived from the original(PDF) on April 12, 2019. Retrieved October 3, 2017.
"Barrio historico Tucson". The University of Arizona Library's Southwest Electronic Text Center. Archived from the original on July 3, 2010. Retrieved March 12, 2010.